Lignin and Lignans as Renewable Raw Materials: Chemistry, Technology and ... - Francisco G. Calvo-Flores, José A. Dobado, Joaquín Isac-García, Francisco J. Martín-Martínez - Google Books

https://books.google.de/books?id=CiBcCwAAQBAJ&pg=PA264#v=onepage

As naturally occurring and abundant sources of non-fossil carbon, lignin and lignans offer exciting possibilities as a source of commercially valuable products, moving away from petrochemical-based feedstocks in favour of renewable raw materials. Lignin…